[INFO] cloning repository https://github.com/uzuna/gst_learn
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/uzuna/gst_learn" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzuna%2Fgst_learn", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzuna%2Fgst_learn'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b4b03a02ba04eb635b4d972c736356eb7e17be52
[INFO] testing uzuna/gst_learn against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fuzuna%2Fgst_learn" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/uzuna/gst_learn on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/uzuna/gst_learn
[INFO] finished tweaking git repo https://github.com/uzuna/gst_learn
[INFO] tweaked toml for git repo https://github.com/uzuna/gst_learn written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/uzuna/gst_learn already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ea484b1616c4e95c858da8fee870e039b9a28c6c6d7709581c754dc48a6c116
[INFO] running `Command { std: "docker" "start" "-a" "5ea484b1616c4e95c858da8fee870e039b9a28c6c6d7709581c754dc48a6c116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ea484b1616c4e95c858da8fee870e039b9a28c6c6d7709581c754dc48a6c116", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ea484b1616c4e95c858da8fee870e039b9a28c6c6d7709581c754dc48a6c116", kill_on_drop: false }`
[INFO] [stdout] 5ea484b1616c4e95c858da8fee870e039b9a28c6c6d7709581c754dc48a6c116
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f063c1a300381a729caed6d63e85c51e851fb4453e30d9eda2aa37f9249934fa
[INFO] running `Command { std: "docker" "start" "-a" "f063c1a300381a729caed6d63e85c51e851fb4453e30d9eda2aa37f9249934fa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling pkg-config v0.3.24
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.121
[INFO] [stderr]    Compiling syn v1.0.89
[INFO] [stderr]    Compiling futures-util v0.3.21
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling paste v1.0.6
[INFO] [stderr]    Compiling muldiv v1.0.0
[INFO] [stderr]    Compiling pretty-hex v0.2.1
[INFO] [stderr]    Compiling gio v0.15.10
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling regex-syntax v0.6.25
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling array-init v2.0.0
[INFO] [stderr]    Compiling humantime v2.1.0
[INFO] [stderr]    Compiling byte-slice-cast v1.2.1
[INFO] [stderr]    Compiling cfg-expr v0.10.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-rational v0.4.0
[INFO] [stderr]    Compiling toml v0.5.8
[INFO] [stderr]    Compiling quote v1.0.17
[INFO] [stderr]    Compiling aho-corasick v0.7.18
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling gtk v0.15.4
[INFO] [stderr]    Compiling semver-parser v0.10.2
[INFO] [stderr]    Compiling system-deps v6.0.2
[INFO] [stderr]    Compiling regex v1.5.5
[INFO] [stderr]    Compiling option-operations v0.4.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling termion v1.5.6
[INFO] [stderr]    Compiling semver v0.11.0
[INFO] [stderr]    Compiling clap v2.34.0
[INFO] [stderr]    Compiling glib-sys v0.15.10
[INFO] [stderr]    Compiling gobject-sys v0.15.10
[INFO] [stderr]    Compiling gstreamer-sys v0.18.0
[INFO] [stderr]    Compiling gstreamer-base-sys v0.18.0
[INFO] [stderr]    Compiling gio-sys v0.15.10
[INFO] [stderr]    Compiling atk-sys v0.15.1
[INFO] [stderr]    Compiling cairo-sys-rs v0.15.1
[INFO] [stderr]    Compiling gdk-sys v0.15.1
[INFO] [stderr]    Compiling pango-sys v0.15.10
[INFO] [stderr]    Compiling gdk-pixbuf-sys v0.15.10
[INFO] [stderr]    Compiling gstreamer-video-sys v0.18.3
[INFO] [stderr]    Compiling gstreamer-audio-sys v0.18.3
[INFO] [stderr]    Compiling gtk-sys v0.15.3
[INFO] [stderr]    Compiling gstreamer-app-sys v0.18.0
[INFO] [stderr]    Compiling gstreamer-pbutils-sys v0.18.0
[INFO] [stderr]    Compiling rustc_version v0.3.3
[INFO] [stderr]    Compiling chrono v0.4.19
[INFO] [stderr]    Compiling futures-executor v0.3.21
[INFO] [stderr] error: could not compile `futures-util`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `rustc --crate-name futures_util --edition=2018 /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/futures-util-0.3.21/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="alloc"' --cfg 'feature="slab"' --cfg 'feature="std"' -C metadata=c80d1873fbf54eac -C extra-filename=-c80d1873fbf54eac --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern futures_core=/opt/rustwide/target/debug/deps/libfutures_core-299f420b688515a8.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-75aea577ef225ea7.rmeta --extern pin_project_lite=/opt/rustwide/target/debug/deps/libpin_project_lite-02e5e2d23f061f41.rmeta --extern pin_utils=/opt/rustwide/target/debug/deps/libpin_utils-501725f4e360d46d.rmeta --extern slab=/opt/rustwide/target/debug/deps/libslab-de4c8617047c1765.rmeta --cap-lints allow --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f063c1a300381a729caed6d63e85c51e851fb4453e30d9eda2aa37f9249934fa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f063c1a300381a729caed6d63e85c51e851fb4453e30d9eda2aa37f9249934fa", kill_on_drop: false }`
[INFO] [stdout] f063c1a300381a729caed6d63e85c51e851fb4453e30d9eda2aa37f9249934fa